My machine has been great but today all of a sudden I have these wonky stitches. Its set on straight stitch. Auto tension. Needle pressure is at 5 and these are all settings I have been using over and over. Can anyone diagnose my issue by looking at this?

First step for me when stitches go weird is to re-thread the machine (top and bobbin), often to change the needle.
Did you change to a new project or different fabric? What thread are you using, needle?
Agree, pics and type of machine/model would be a great help.

I tend to change needles with every project, unless the previous one has been a small one, and the needle is appropriate for the new project. I do save barely used needles and mark them as such when I need a different one in the machine.
On larger projects, such as piecing and quilting quilts, or if I'm doing a project that is hard on the needles (some of my home dec and camping ones, for examples) I'll change it during the project. If I hit a pin, zipper stop, bend the needle somehow, notice degradation of quality, or hear thunk thunk, I'll change it.

I usually pay less than $1 per needle, and most projects have $25 to more than $100 of fabric in them. For me, that means needles and good quality thread are worth investing in.

Loops on the top are usually a bobbin thread tension issue. Loops on the bottom mean a top thread tension issue. Is it possible you put your bobbin in upside down? (That's surprisingly easy to do.) Many machines won't sew at all in that case--but some will give you crazy results like that.

Rethread everything from scratch using different thread (same thread top and bobbin), set all the settings to their factory defaults, and go from there.

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